The triquetra has been found on runestones in Northern Europe and on early Germanic coins. It presumably had pagan religious meaning and it bears a resemblance to the Valknut, a symbol associated with Odin.
G Scale Trains are usually referred to as Garden Trains since they are the largest of the model trains and are used outdoors as well as indoors.
Layout space is key to a child's enjoyment of their model trains. This topic is covered in detail in the article Children's Toy Train Tables. Also important is the scale (size) of the trains selected. This is discussed in Electric Train Scales for Children. Please read these articles before you go shopping.oy Train Dos and Don'ts. This article on toy trains and electric trains is rather lengthy. You may not want to read it all in one sitting. But before spending any money on electric trains for your, child look over my dos and don'ts for kids trains.